6IKK:
reference: Structural analysis of activating mutants of YfiB from Pseudomonas aeruginosa PAO1., Li S, Li T, Teng X, Lou X, Xu Y, Zhang Q, Bartlam M, Biochem Biophys Res Commun. 2018 Dec 2;506(4):997-1003. doi:, 10.1016/j.bbrc.2018.10.190. Epub 2018 Nov 4. PMID: 30404734

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